If your concrete is dull and sprouting weeds or mold, bleach is your best option for cleaning and brightening concrete. Mix a cup of bleach into a 5-gallon bucket of warm water, then spray or pour over concrete. Rinse thoroughly with water.
Bleach. Does a large area of your concrete need a good cleaning? Fill a bucket with warm water and about ¾ a cup of liquid bleach and start mopping. Let the bleach solution sit for a few minutes before using a bucket with clean water to mop up the bleach solution.
Pressure washing is one of the fastest, most effective ways to get your concrete white again. Concrete can change color over time due to pollen, algae, or dirt buildup, but a good pressure wash can easily remove dirt and stains and make your concrete look new again.
As moisture rises to the surface of the concrete, it carries with it the calcium salts from within the concrete. These react with CO2 at the surface, forming that white powdery dust. It can be worsened by exposure to moisture, such as rain. With no moisture movement, there is no efflorescence.
Vinegar or baking soda: These natural cleaners work well to clean cement patios with stubborn charcoal or rust spots. Mix equal parts vinegar and water, scrub the patio with the mixture, then give it a good rinse. If stains don't dissolve, try undiluted vinegar.
In fact, vinegar removes mold from concrete better than bleach. Bleach will only remove the top layer of mold, causing the mold to return.
As a gentler cleaner, bleach can't harm concrete's durable material. Aside from being an effective cleaner and stain remover, it also acts as a disinfectant to the concrete surface.
A quick answer is yes! White vinegar can clean concrete and remove stains. It may not be as powerful as concrete cleaners, but it can clean up concrete stains on a budget.
Cleaning concrete with muriatic acid can be a highly effective solution if used correctly, providing ultra-bright white concrete and removal of many types of stains. In one application, you can remove rust stains, oil stains, algae, and paint splatter with a quick chemical application followed by pressure washing.
Use Bleach
You already know that bleach is a trusty household product for brightening up stains on garments. But that's not all; chlorine bleach can also be used for cleaning the concrete driveway. Of course, you should dilute it with equal parts of water or a 1:1 ratio.
Why is my concrete turning white? Efflorescence is a white salty residue caused when too much moisture is moving through the concrete. As the concrete dries and its moisture rises upwards through the slab, it brings salts within the concrete to the surface as well.
Liquid peroxide formulas clean and brighten grout lines without harsh acids and chlorine bleaches that can damage the grout and surrounding flooring materials. The Liquid peroxide cleans, refreshes, and brightens concrete, tile, and grout without leaving watermarks or residue in contrast to other cleaning chemicals.
Although bleach is great at the whitening effect, you can use peroxide to achieve this. Hydrogen peroxide is an oxygenated bleach. It is safe for plants, so when you rinse this solution, it won't harm anything. It works together with the dish soap and baking soda to remove dirt and whiten dirty concrete.
Pour ⅓ cup of Clorox® Disinfecting Bleach into 1 gallon of water in a plastic bucket or container. Apply bleach solution using a brush or broom on horizontal surfaces, and a sponge or mop on vertical surfaces. Heavily soiled surfaces may require additional scrubbing. Wait 6 minutes for disinfecting.
OxiClean is a powerful concrete cleaner that works well on various materials, including pavement and grout. This concentrated solution provides excellent cleaning without leaving residue. OxiClean is the cleaner for your toughest cleaning jobs. Clean your home, patio, driveway, and more.
Apply the bleach solution
Allow the bleach solution to contact the surface for up to 15 minutes. Work in smaller sections if the patio is too large to finish in that time.
Mixing vinegar and bleach together releases a poisonous chlorine gas, which can be fatal if inhaled at high enough concentrations.
But common pantry essentials that are often used for cleaning — like baking soda and vinegar — shouldn't be mixed either. Unlike the bleach-ammonia mixture, combining soda and vinegar won't hurt anyone — but don't expect the mixture to do a good job cleaning, either.
Use a detergent such as Dawn or Ajax dishwashing liquid mixed with water to brighten a concrete patio that hasn't been cleaned in a while. Just as you would regularly vacuum the floor and dust your furniture inside your house, you should keep your patio clean so it's ready at a moment's notice to entertain.
After disinfection with bleach solutions, surfaces should be rinsed and dried. Bleach can be irritating to skin and mucous membranes, so any residue should be removed prior to returning animals to the environment.